3
.
2
P
rinciple of operation
IPT
-
1
*
V
ers
.
4
.
0
is a pressure transmitter for use in the paper
,
food
processing and pharmaceutical industries as well as in water
/
sewage
water plants
.
D
epending on the version
,
it is used for level
,
gauge
,
absolute pressure or vacuum measurement
.
M
easured products are
gases
,
vapours and liquids
,
also those containing abrasive substan
-
ces
.
A
measuring cell with front
-
fl
ush
,
abrasion
-
resistant diaphragm is the
sensor element
.
T
he hydrostatic pressure of the product or the
process pressure e
ff
ects a capacitance change in the measuring cell
via the diaphragm
.
T
his change is converted into a respective output
signal and outputted as measured value
.
T
he ceramic measuring cell is also equipped with a temperature
sensor
.
T
he temperature value can be displayed via the indicating and
adjustment module or processed via the signal output
.
P
ower supply via the
P
ro
fi
bus
DP
/
PA
segment coupler
.
A
two
-
wire
cable according to
P
ro
fi
bus speci
fi
cation serves as carrier of both
power and digital data transmission for multiple sensors
.
T
he
instrument pro
fi
le of
IPT
-
1
*
V
ers
.
4
.
0
corresponds to pro
fi
le speci
fi
-
cation version
3
.
0
.
T
he
GSD
(
instrument master
fi
les
)
and bitmap
fi
les necessary for
planning your
P
ro
fi
bus
-
DP
-(
PA
)
communication network are available
from the download section on the
WIKA
homepage www
.
wika
.
com
under
"
S
ervice
"
.
T
here you can also
fi
nd the appropriate certi
fi
cates
.
I
n
a
PDM
environment
,
an
EDD
(
E
lectronic
D
evice
D
escription
)
is also
required to enable the full range of sensor functions
(
also available as
a download
).
A CD
with the appropriate
fi
les can be ordered via e
-
under info
@
de
.
WIKA
.
com or by phone from one of the
WIKA
agencies
.
T
he backlight of the indicating and adjustment module is powered by
the sensor
.
P
rerequisite is a certain level of operating voltage
.
T
he data for power supply are speci
fi
ed in chapter
"
T
echnical data
"
.
T
his function is available at a later date for instruments with
S
t
E
x
,
WHG
or ship approval as well as country
-
speci
fi
c approvals such as
those according to
FM
or
CSA
.
3
.
3
O
peration
IPT
-
1
*
V
ers
.
4
.
0
can be adjusted with di
ff
erent adjustment media
:
l
with indicating and adjustment module
l
the
S
imatic adjustment program
PDM
T
he entered parameters are generally saved in
IPT
-
1
*
V
ers
.
4
.
0
,
optionally also in the indicating
/
adjustment module
.
A
pplication area
F
unctional principle
P
ower supply and bus
communication
GSD
/
EDD
8
P
rocess pressure transmitter
IPT
-
11
V
ers
.
4
.
0
-
ceramic sensor
•
P
ro
fi
bus
PA
3
P
roduct description
31547
-
EN
-
081211
